Larus cachinnans

(last update: February 16, 2013)

Coordinator:
Peter Adriaens (Belgium)
Ies Meulmeester (Netherlands)

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cachinnans plumages

Larus cachinnans 2CY-3CY PHSV July - October 2012 & August 2013, Neesen & Minden, Germany. Picture: Armin Deutsch.

Yellow PHSV and metal PLG DN-27555; ringed as pullus on May 26 2011 at Kozielno, Paczkow, S-SW Poland, (50°29' N,  16°58' E).

Recoveries:
PHSV 26-5-2011 ZB. Kozielno, Paczkow pull 50°29' N 16°58' E
PHSV 6-6-2012 Minden, Osthafen 2cy 52°18' N 08°56' E 14.1.12 the bird was seen in Saint-Jean-de-Luz  43°22' N 1°39'W,  France
PHSV 14-6-2012 Minden, Osthafen 2cy 52°18' N 08°56' E
PHSV 29-6-2012 Minden, Osthafen 2cy 52°18' N 08°56' E
PHSV 8-7-2012 Neesen, Kloppenburg 2cy 52°15'21" N 08°55'16" E
PHSV 9-8-2012 Minden, Osthafen 2cy 52°18' N 08°56' E
PHSV 27-9-2012 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
PHSV 4-10-2012 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E
PHSV 8-10-2012 Deponie Pohlsche Heide 2cy 52°23' N 08°46' E 16.3.13 the bird was seen south of Le Mans  47°29' N 0°28'WE  France
PHSV 8-7-2013 Neesen, Pioniere 3cy 52°16'22"  08°55'34"
PHSV 8-8-2013 Minden, Osthafen 3cy 52°18'00"  08°56'22"

In this area are mixed breeding colonies (near Katowice), with far most birds breeding here are cachinnans, but in this area also records of very few michahellis from the south (e.g. ringed female from Italy) and argentatus from eastern Germany are possible (see PDF).

PHSV is classic cachinnans.

below: cachinnans 2CY PHSV July 08 2012, Neesen, Germany (52°15'21N, 08°55'16E). Picture: Armin Deutsch.

Reading rings at location Neesen. Do you spot the yellow ring?

below: cachinnans 2CY PHSV September 27 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Complete moult finished. Bird in active partial autumn moult, now again (2nd time this year) replacing inner GC, most MC, and several LC. Note mirror on P10.

below: cachinnans 2CY PHSV October 04 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

In the pouring rain.

below: cachinnans 2CY PHSV October 08 2012, Deponie Pohlsche Heide - Minden, Germany (52°23'05N, 08°46'45E). Picture: Armin Deutsch.

Left TT1 old 2nd gen.

below: cachinnans 3CY PHSV August 08 2013, Osthafen - Minden, Germany (52°18'00N, 08°56'18E). Picture: Armin Deutsch.

In complete mout. New 3rd gen P1-P6, P7 growing, P9-P10 old 2nd gen. S1 new, S2 growing, moult gap in central secondaries, inner secondaries old 2nd gen. All tail feathers dropped, new white tips of 3rd gen rectrices just visible.